CVE编号
CVE-2022-23852利用情况
暂无补丁情况
官方补丁披露时间
2022-01-24漏洞描述
libexpat是一款使用C语言编写的流式XML解析器。Libexpat 中存在输入验证错误漏洞，该漏洞源于产品的XML_GetBuffer未对有符号整数的范围做有效限制。攻击者可通过配置一个特殊的XML字节导致缓冲区溢出。
受影响版本：Libexpat < 2.4.4
解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://github.com/libexpat/libexpat/pull/550
参考链接 |
|
|---|---|
| https://github.com/libexpat/libexpat/pull/550 | |
| https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html | |
| https://security.netapp.com/advisory/ntap-20220217-0001/ | |
| https://www.debian.org/security/2022/dsa-5073 | |
| https://www.tenable.com/security/tns-2022-05 |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | libexpat_project | libexpat | * |
Up to (excluding) 2.4.4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | expat | * |
Up to (excluding) 2.1.0-14.1.al7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | expat | * |
Up to (excluding) 2.2.10-r1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | expat | * |
Up to (excluding) 2.2.10-r3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | expat | * |
Up to (excluding) 2.4.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | expat | * |
Up to (excluding) 5.15.3_git20211127-r4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | expat | * |
Up to (excluding) 5.15.3_git20220121-r4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | expat | * |
Up to (excluding) 2.1.0-12.amzn2.0.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | expat | * |
Up to (excluding) 2.1.0-12.25.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | expat | * |
Up to (excluding) 2.1.0-14.el7_9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | expat | * |
Up to (excluding) 2.2.5-4.el8_5.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | expat | * |
Up to (excluding) 2.2.6-2+deb10u2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | expat | * |
Up to (excluding) 2.2.10-2+deb11u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | expat | * |
Up to (excluding) 2.4.3-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | expat | * |
Up to (excluding) 2.2.0-2+deb9u5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | expat | * |
Up to (excluding) 2.2.5-3.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | expat | * |
Up to (excluding) 2.1.0-14.0.1.el7_9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | expat | * |
Up to (excluding) 2.2.5-4.el8_5.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | expat | * |
Up to (excluding) 2.2.5-4.el8_5.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | expat | * |
Up to (excluding) 2.1.0-21.15.1 |
|||||
- 攻击路径 远程
- 攻击复杂度 复杂
- 权限要求 无需权限
- 影响范围 全局影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 N/A
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